Home / 680,233.24-1,020,744.14-343,300.24

Finding the Fourth Proportional to 680,233.24, 1,020,744.14 and 343,300.24

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Solution

The fourth proportional to 680,233.24, 1,020,744.14 and 343,300.24 is: 515,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,233.24 : 1,020,744.14 = 343,300.24 : x
  2. Step 2: Convert to fraction form
    680,233.24/1,020,744.14 = 343,300.24/x
  3. Step 3: Cross multiply
    680,233.24x = 1,020,744.14 × 343,300.24
  4. Step 4: Simplify right side
    680,233.24x = 350,421,708,240.59
  5. Step 5: Solve for x
    x = 350,421,708,240.59/680,233.24
  6. Step 6: Final answer
    x = 515,149.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.